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Finding the Fourth Proportional to 1,532.43, 2,114.79 and 833.82

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Solution

The fourth proportional to 1,532.43, 2,114.79 and 833.82 is: 1,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.43 : 2,114.79 = 833.82 : x
  2. Step 2: Convert to fraction form
    1,532.43/2,114.79 = 833.82/x
  3. Step 3: Cross multiply
    1,532.43x = 2,114.79 × 833.82
  4. Step 4: Simplify right side
    1,532.43x = 1,763,354.20
  5. Step 5: Solve for x
    x = 1,763,354.20/1,532.43
  6. Step 6: Final answer
    x = 1,150.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.